We always concatenate two string in java use the concat() method of String Class,the specific string parameter append to the given string when use the concat() method.

Syntax

Parameter

Return

A new string object.

Example of concatenate 2 string in java

output

What is the tdifference of concatenation by using concat() method and "+" connector

1、concat() method just can concatenation two string,but the "+" connector can use to concatenation more than 2 string.
2、the "+" connector can use to concatenation a string and objects that is not string type.

Categories: Java